Ginkgo Trees Grow in Asia and North America and Thus

Ginkgo trees grow in Asia and North America and thus are divided into two groups that are geographically separated.Mayr's framing of the biological species concept would classify these populations as belonging to the same species because they

A) are reproductively isolated.
B) are potentially capable of exchanging genes.
C) exchange genes across the Pacific Ocean.
D) have different evolutionary ancestries.
E) have formed a large hybrid zone.